Answer:
What is this?
if the question was correct then I could
Dude yes they had absolutely no reason to be that cute together :(
The decline of Buddhism has been attributed to various factors, especially the regionalisation of India after the end of the Gupta Empire (320–650 CE), which led to the loss of patronage and donations as Indian dynasties turned to the services of Hindu Brahmins.
BC is before christ
AD is after death (of Christ)
However scientists usually use BCE and CE to avoid religious confusion (Before Common Era, and Common Era)
To make sure that we don’t repeat history